The bill was written to ban discussion of sexual orientation and gender identity for any age - not just K-3.

> Classroom instruction by school personnel or third parties on sexual orientation or gender identity may not occur in kindergarten through grade 3 or in a manner that is not age-appropriate or developmentally appropriate for students in accordance with state standards.

http://laws.flrules.org/2022/22

The rationale for the law is also seriously suspect - https://www.cnn.com/2022/04/06/politics/fact-check-desantis-...

Simply put, this law is a solution looking for a problem and being pushed by a politician seeking reelection and ultimately - the presidency.